Move notification resource loading from content/child to blink

content/child/notifications/notification_manager.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_CHILD_NOTIFICATIONS_NOTIFICATION_MANAGER_H_
 #define CONTENT_CHILD_NOTIFICATIONS_NOTIFICATION_MANAGER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
+#include <memory>
 #include <set>
 #include <vector>
 
 #include "base/id_map.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/single_thread_task_runner.h"
 #include "content/child/notifications/notification_dispatcher.h"
-#include "content/child/notifications/pending_notifications_tracker.h"
 #include "content/common/platform_notification_messages.h"
 #include "content/public/child/worker_thread.h"
 #include "third_party/WebKit/public/platform/modules/notifications/WebNotificationManager.h"
 
 namespace content {
 
 struct NotificationResources;
 struct PlatformNotificationData;
 class ThreadSafeSender;
 
 class NotificationManager : public blink::WebNotificationManager,
                             public WorkerThread::Observer {
  public:
   ~NotificationManager() override;
 
   // |thread_safe_sender| and |notification_dispatcher| are used if
   // calling this leads to construction.
   static NotificationManager* ThreadSpecificInstance(
       ThreadSafeSender* thread_safe_sender,
-      base::SingleThreadTaskRunner* main_thread_task_runner,
       NotificationDispatcher* notification_dispatcher);
 
   // WorkerThread::Observer implementation.
   void WillStopCurrentWorkerThread() override;
 
   // blink::WebNotificationManager implementation.
-  void show(const blink::WebSecurityOrigin& origin,
-            const blink::WebNotificationData& notification_data,
-            blink::WebNotificationDelegate* delegate) override;
+  // Shows a page notification. Will inform the browser process about all
+  // available data. The |delegate|, owned by Blink, will be used to feed back
+  // events associated with the notification to the JavaScript object.
+  void show(
+      const blink::WebSecurityOrigin& origin,
+      const blink::WebNotificationData& notification_data,
+      std::unique_ptr<blink::WebNotificationResources> notification_resources,
+      blink::WebNotificationDelegate* delegate) override;
+  // Shows a persistent notification. Will inform the browser process about all
+  // available data. The |callbacks| will be used to inform the Promise pending
+  // in Blink that the notification has been sent to the browser process to be
+  // displayed.

[Peter Beverloo, 2016/04/15 11:07:29]

This seems like an odd place to document behaviour of overridden methods?

Perhaps we should not bother since this code will move down to Blink before too
long anyhow?

[Michael van Ouwerkerk, 2016/04/18 11:26:53]

Let's not then. Done.

   void showPersistent(
       const blink::WebSecurityOrigin& origin,
       const blink::WebNotificationData& notification_data,
+      std::unique_ptr<blink::WebNotificationResources> notification_resources,
       blink::WebServiceWorkerRegistration* service_worker_registration,
       blink::WebNotificationShowCallbacks* callbacks) override;
   void getNotifications(
       const blink::WebString& filter_tag,
       blink::WebServiceWorkerRegistration* service_worker_registration,
       blink::WebNotificationGetCallbacks* callbacks) override;
   void close(blink::WebNotificationDelegate* delegate) override;
   void closePersistent(const blink::WebSecurityOrigin& origin,
                        int64_t persistent_notification_id) override;
   void notifyDelegateDestroyed(
       blink::WebNotificationDelegate* delegate) override;
   blink::WebNotificationPermission checkPermission(
       const blink::WebSecurityOrigin& origin) override;
   size_t maxActions() override;
 
   // Called by the NotificationDispatcher.
   bool OnMessageReceived(const IPC::Message& message);
 
  private:
   NotificationManager(ThreadSafeSender* thread_safe_sender,
-                      base::SingleThreadTaskRunner* main_thread_task_runner,
                       NotificationDispatcher* notification_dispatcher);
 
   // IPC message handlers.
   void OnDidShow(int notification_id);
   void OnDidShowPersistent(int request_id, bool success);
   void OnDidClose(int notification_id);
   void OnDidClick(int notification_id);
   void OnDidGetNotifications(
       int request_id,
       const std::vector<PersistentNotificationInfo>& notification_infos);
 
-  // To be called when a page notification is ready to be displayed. Will
-  // inform the browser process about all available data. The |delegate|,
-  // owned by Blink, will be used to feed back events associated with the
-  // notification to the JavaScript object.
-  void DisplayPageNotification(
-      const blink::WebSecurityOrigin& origin,
-      const blink::WebNotificationData& notification_data,
-      blink::WebNotificationDelegate* delegate,
-      const NotificationResources& notification_resources);
-
-  // To be called when a persistent notification is ready to be displayed. Will
-  // inform the browser process about all available data. The |callbacks| will
-  // be used to inform the Promise pending in Blink that the notification has
-  // been send to the browser process to be displayed.
-  void DisplayPersistentNotification(
-      const blink::WebSecurityOrigin& origin,
-      const blink::WebNotificationData& notification_data,
-      int64_t service_worker_registration_id,
-      std::unique_ptr<blink::WebNotificationShowCallbacks> callbacks,
-      const NotificationResources& notification_resources);
-
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
   scoped_refptr<NotificationDispatcher> notification_dispatcher_;
 
-  // Tracker which stores all pending Notifications, both page and persistent
-  // ones, until all their associated resources have been fetched.
-  PendingNotificationsTracker notifications_tracker_;
-
   // Tracks pending requests for getting a list of notifications.
   IDMap<blink::WebNotificationGetCallbacks, IDMapOwnPointer>
       pending_get_notification_requests_;
 
   // Tracks pending requests for displaying persistent notifications.
   IDMap<blink::WebNotificationShowCallbacks, IDMapOwnPointer>
       pending_show_notification_requests_;
 
   // Map to store the delegate associated with a notification request Id.
   std::map<int, blink::WebNotificationDelegate*> active_page_notifications_;
 
   DISALLOW_COPY_AND_ASSIGN(NotificationManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_NOTIFICATIONS_NOTIFICATION_MANAGER_H_